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/* -*- c -*- */
/* -------------------------------------------------------------------- *
** copyright (c) 1995 ipvr stuttgart and thomas harrer
** -------------------------------------------------------------------- *
**
** libhelp
**
** a comprehensive hypertext help system for OSF/Motif(tm) applications.
** based on libhtmlw from NCSA Mosaic(tm) version 2.4
**
** written by thomas harrer
** e-mail: Thomas.Harrer@rus.uni-stuttgart.de
**
** -------------------------------------------------------------------- *
*h $Id: contexthelp.h,v 1.4 1995/06/28 12:59:30 thomas Exp $
** -------------------------------------------------------------------- *
**
*h module: contexthelp.h
**
** contents: definitions for context sensitive help
**
** interface: #include "context.h"
**
** public procedures:
**
** * void context_cb (Widget, XtPointer, XtPointer)
**
** * to get context help, specify the following
**
** XtAddCallback (widget, XmNhelpCallback,
** (XtCallbackProc) context_cb,
** (XtPointer) cx_*);
**
** where widget is the widget for which help is needed and
** cx_* is a identifyer constant (defined here in context.h).
**
** -------------------------------------------------------------------- *
** license and copying issues:
**
** this software is free; you can redistribute it and/or modify it
** under terms similar to the gnu general public license (version 1
** or any later version published by the free software foundation).
** see the file Licence for more details.
**
** this program is distributed in the hope that it will be useful,
** but without any warranty; without even the implied warranty of
** merchantability or fitness for a particular purpose.
** -------------------------------------------------------------------- */
#ifndef _CONTEXTHELP_H_
#define _CONTEXTHELP_H_ 1
/* -------------------------------------------------------------------- *
*g include files
** -------------------------------------------------------------------- */
#include <Xm/Xm.h> /* for Widget. */
#include "helpp.h"
/* -------------------------------------------------------------------- *
*g interface specification and prototypes.
** -------------------------------------------------------------------- */
/* -------------------------------------------------------------------- *
*p procedure-name: libhelp_context_cb
**
** purpose: provides context sensitive help.
** in most cases it is called by
** -------------------------------------------------------------------- *
** args: standard callback args.
** (in) Widget parent,
** (in) XtPointer call_data,
** (in) XtPointer client_data (unused)
** call_data is actually an integer.
** symbols for possible values are defined below.
**
** precondition: callback must be added via XtAddCallback
** postcondition: context sensitive help is initiated.
** error handling.: -
** -------------------------------------------------------------------- */
void
libhelp_context_cb (Widget, XtPointer, XtPointer);
/* -------------------------------------------------------------------- *
*g data for context sensitive help.
** -------------------------------------------------------------------- */
#define cx_non 0
#define cx_browser 1
#define cx_help_toolbar 2
#define cx_main_toolbar 3
#define cx_sql_window 4
#define cx_output_window 5
#define cx_status_window 6
#define cx_menu 7
#define cx_max 8
#define cx_end -1
/* the mapping between context symbols and help files is made here: */
#define context_mapping \
{ cx_non, "index.html" }, \
{ cx_browser , "mpsql_help.html" }, \
{ cx_help_toolbar, "mpsql_help.html" }, \
{ cx_main_toolbar, "mpsql_toolbar.html" }, \
{ cx_sql_window, "mpsql_edit.html"}, \
{ cx_output_window, "mpsql_output.html"}, \
{ cx_status_window, "mpsql_msg.html"}, \
{ cx_menu, "mpsql_menu.html"}, \
/* last line: */ \
{ cx_end, NULL }
/* -------------------------------------------------------------------- *
*g context_help convenience macro
** -------------------------------------------------------------------- */
#define context_help(_widget,_class) \
XtAddCallback ((_widget), XmNhelpCallback, \
(XtCallbackProc) libhelp_context_cb, \
(XtPointer) (_class))
#endif /* !_CONTEXTHELP_H_ */
/* -------------------------------------------------------------------- *
*l emacs:
** local variables:
** mode: c
** outline-regexp: "\*[HGPLT]"
** comment-column: 32
** eval: (outline-minor-mode t)
** end:
** -------------------------------------------------------------------- */
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